LEAD: Motoring: FUTURISTIC SPACE
Citroën C4 Cactus Shine Golf SV Comfortline Citroën C4 Cactus Shine I guess the name Cactus says it all; this no ordinary car. Citroën designers have gone all out to make a vehicle that looks different from anything you have ever seen. To start with, they have taken the C4 platform and threw out…